A mother claims she swallowed a mystery lump in a can of Coca-Cola which contained a disgusting mixture of hair, wool, stones, wood shavings, plastic and even an insect.

Samantha Roach, 23, of Fairwater, Cardiff, drank three quarters of the can she had bought at her local Aldi supermarket when she allegedly felt the clump in her mouth and managed to cough it up.

The mother-of-three then sent the object off to trading standards experts to be tested, and the results showed it contained seven different items that had moulded into a half inch lump.

Tested by trading standards: Samantha Roach, 23, drank three quarters of the can she had bought at her local Aldi supermarket when she allegedly felt the clump in her mouth and managed to cough it up

Disgusting: Materials found in the lump included a hard insect with a shell and an 'abundance' of black hairs

Blue wool: Laboratory results found the object contained seven items that had moulded into a half inch lump

These were a hard insect with a shell and black hairs, pieces of blue wool, a clump of white stones, traces of plastic, traces of a man-made synthetic, wood shavings and a lump covered in a ‘chemical’.

Miss Roach said: ‘It was disgraceful. I could have choked on it - and the thought of all that horrible gunk in my mouth is awful. When I bought it I didn’t have any idea it was in there.

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‘It must have sunk to the bottom. It was only when I had drunk three quarters of the can that I realised something was not right.

‘I was on the phone at the time and I threw it away and was retching and was thinking: “Oh my God, what is this?’. I thought it was the remains of an insect.’

Horrifying: Miss Roach, who lives with partner Andrew Ellaway, 27, and her three children, Keeley, 5, and two-year-old twins Katie and Keegan, phoned Coca-Cola to complain after allegedly choking up the lump

Investigated: While the tests by an independent laboratory confirmed the ingredients in the lump – they could not confirm it had been in the Coca-Cola can when it was opened

Looked at by scientists: Miss Roach - who claimed she was ill for a week with stomach cramps and vomiting, and struggled to look after her baby twins after the incident – has now called for action from Coca-Cola

Miss Roach, who lives with partner Andrew Ellaway, 27, and her three children, Keeley, five, and two-year-old twins Katie and Keegan, complained to Coca-Cola after allegedly choking up the lump.

Shock: Miss Roach, of Fairwater, Cardiff, is pictured looking at the remains of the 'disgraceful' lump

The firm asked to be sent a sample for analysis, but she instead passed on the object to trading standards chiefs in Cardiff who carried out tests.

Scientists’ reports gave a full analysis of the ‘opaque white bulk’ with ‘embedded light brown orange entities and blue fibres’. They even included pictures of the seven items.

But while the tests by an independent laboratory confirmed the ingredients in the lump – they could not confirm it had been in the Coca-Cola can when it was opened.

Miss Roach - who claimed she was ill for a week with stomach cramps and vomiting, and struggled to look after her twins after the incident - now wants action from Coca-Cola.

She said: ‘I have a five-year-old daughter and it could have been her having a sip of the Coke. It was disgusting and it could have been my daughter.’

A Coca-Cola spokesman told MailOnline: 'When we were informed of the claim about this product we immediately asked the consumer to return it for investigation but it was never received.

'We have since been made aware that Cardiff City Council has investigated the complaint and an independent lab has not found any trace of our product on the object and has closed the case.'

Cardiff Council - which sent the report to Miss Roach but will not be taking the matter further - has decline to comment today. Meanwhile an Aldi spokesman has been contacted for comment.